[1][2] Born in Komárno into an ethnic Hungarian family, Zácsik made her senior debut for Váci NKSE at the age of 14.
[3] However, the transfer move was realized earlier than expected, as Zácsik have been released by Krim on 22 December 2010, making her able to join her former team immediately.
[4] Ferencváros called a press conference on 27 December 2010, where it was announced that they have agreed with Zácsik and have signed a contract which will keep the left back by the club until 30 June 2013.
Zácsik have won the silver medal on the Junior European Championship on home soil, and also debuted in the senior team on 22 September 2009 against Germany.
[8] Her cousin, Mónika Kovacsicz, is a retired professional handball player, having represented the Hungarian national team on a number of international tournaments.